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Audio to Text Conversion

Upload your audio file or record your voice to convert to text

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Supported formats: Audio (MP3, WAV, OGG, FLAC, M4A, AAC, AMR, WEBM) & Video (MP4, AVI, MOV, MKV, WMV) (Max 100MB)

Free tier: Free accounts can process files up to 5 minute. Sign up or upgrade for longer files. Upgrade

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Select the Language of the Audio File

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Soft - Fix spelling and punctuation only

Full - Complete text improvement for clarity and readability

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Choose the options for your audio transcription. Auto-detection works best for clear recordings.

Microphone Quality

The quality of your microphone significantly impacts transcription accuracy.

Use an external microphone when possible, rather than built-in computer mics.
Position the microphone 6-8 inches from your mouth for optimal sound capture.
Consider using a pop filter to reduce plosive sounds (p, b, t sounds).

Recording Environment

Your recording environment can greatly affect audio quality.

Record in a quiet room with minimal background noise.
Avoid rooms with hard surfaces that create echo (add soft furnishings if possible).
Turn off fans, air conditioners, or other devices that generate constant noise.

Speaking Techniques

How you speak can improve transcription results.

Speak clearly at a moderate pace - not too fast or too slow.
Enunciate words clearly, especially technical terms or unusual names.
Pause briefly between sentences to help the system identify sentence boundaries.
Maintain consistent volume throughout your recording.

Audio File Preparation

If uploading existing audio files, keep these tips in mind:

Higher quality audio files (higher bitrate) generally yield better results.
If possible, use noise reduction software before uploading files with background noise.
MP3 files with 128kbps or higher bitrate work well for voice recordings.
For long recordings, consider breaking them into shorter segments of 30-60 minutes.

Technical Considerations

Microphone Types

Different microphones serve different purposes and environments:

Microphone Type	Best For
Built-in Laptop/Phone Mic	Quick, casual recordings in quiet environments
Lavalier (Clip-on) Mic	Interviews, presentations, hands-free recording
USB Microphone	Podcasts, voiceovers, high-quality desktop recording
Shotgun Microphone	Field recordings, lectures, distant sound sources

Software Settings

Optimize your recording software for better results:

Set recording quality to at least 44.1kHz, 16-bit for best results
Enable noise cancellation in your recording software if available
Monitor audio levels to avoid clipping (when audio is too loud) or recording too quietly

Audio Quality Factors

Optimal Recording Environment

Creating the right environment significantly improves transcription quality:

Record in rooms with soft furnishings (curtains, carpets) to reduce echo
Use acoustic panels or simple alternatives (blankets, pillows) to improve sound quality
Close windows to block traffic noise, construction, and other outdoor sounds
Turn off heating/cooling systems during critical recordings if they're noisy

Quality Impact on Accuracy

Understanding how audio quality affects transcription results:

Quality Level	Expected Accuracy
Excellent	95-99% accuracy, minimal editing required
Good	85-95% accuracy, some editing needed
Fair	70-85% accuracy, substantial editing required
Poor	Below 70% accuracy, may need manual transcription

Speaking Techniques

Clarity and Articulation

How to speak for optimal recognition:

Articulate consonants clearly, especially word endings
Avoid mumbling, slurring words together, or trailing off at sentence ends
Maintain consistent volume throughout the recording
Take brief pauses between sentences to help the system distinguish thoughts

Rhythm and Pacing

Finding the right speed for optimal transcription:

Aim for a moderate pace of about 150-160 words per minute
Slow down when using technical terminology or complex phrases
Insert natural pauses between different topics or sections

Practical Tips

File Management

Best practices for handling audio files:

Keep original recordings as backups before any processing or editing
Use lossless formats (WAV, FLAC) during recording and editing
Convert to compressed formats (MP3) only for final distribution if needed

Setting Realistic Expectations

Understanding the limitations of automatic transcription:

Expect some errors even with perfect recording conditions
Technical terminology, proper names, and industry jargon often require manual correction
Heavy accents, multiple speakers talking simultaneously, and background noise will reduce accuracy

Benefits of Premium Features

Our premium subscription provides enhanced transcription capabilities, including specialized vocabulary training, higher accuracy algorithms, and priority processing.

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Supported formats: DOCX, DOC, PDF, XLSX, XLS, TXT, RTF

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Note: Speaking rate values are limited to a range between 0.5 and 2.0 for optimal results.

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Audio to Text Conversion

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Audio to Text Blog

Bezmaksas Runas-teksta Programmatūra (2025)

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